Overview

overview

10

Static

static

7ddd22e8dd...c7.exe

windows7_x64

10

7ddd22e8dd...c7.exe

windows10-2004_x64

10

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General

  • Target

    7ddd22e8dd26436cade10fc9488b0239f2db65589eb486ed551e30569ea5bdc7

  • Size

    10.8MB

  • Sample

    220606-xvrrdsbab4

  • MD5

    4b4802c89976506b504b279dd3d58c89

  • SHA1

    2652b1943e3580254b59617b8d6a1cae361d3bd1

  • SHA256

    7ddd22e8dd26436cade10fc9488b0239f2db65589eb486ed551e30569ea5bdc7

  • SHA512

    0d5d41af269d083d8fb532a9bed8bb16a0d4d113c4faf7520fea1237b5cea6cddbda4a1f484450a96e11b0ad8c5290a7a15c03326df335335f95a6ff4723554e

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      7ddd22e8dd26436cade10fc9488b0239f2db65589eb486ed551e30569ea5bdc7

    • Size

      10.8MB

    • MD5

      4b4802c89976506b504b279dd3d58c89

    • SHA1

      2652b1943e3580254b59617b8d6a1cae361d3bd1

    • SHA256

      7ddd22e8dd26436cade10fc9488b0239f2db65589eb486ed551e30569ea5bdc7

    • SHA512

      0d5d41af269d083d8fb532a9bed8bb16a0d4d113c4faf7520fea1237b5cea6cddbda4a1f484450a96e11b0ad8c5290a7a15c03326df335335f95a6ff4723554e

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • Creates new service(s)

      persistence

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks